From May 2013:
The European Commission raided the offices of Shell, BP and Norway’s Statoil this week as part of an investigation into suspected attempts to manipulate global oil prices spanning more than a decade.
None of the companies have been accused of wrongdoing, but the controversy has brought back memories of the Libor rate-rigging scandal that rocked the financial world last year.
A review ordered by the British government last year in the wake of the Libor revelations cited “clear” parallels between the work of the oil-price-reporting agencies and Libor.
Read the full article here